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Mathematics
Problem
Calculate the vector
P
Q
\mathbf{PQ}
PQ
if
P
(
1
,
2
)
P(1,2)
P
(
1
,
2
)
and
Q
(
4
,
−
1
)
Q(4,-1)
Q
(
4
,
−
1
)
in the plane. a)
−
3
i
+
3
j
-3\mathbf i + 3\mathbf j
−
3
i
+
3
j
b)
3
i
−
3
j
3\mathbf i - 3\mathbf j
3
i
−
3
j
c)
3
i
+
3
j
3\mathbf i + 3\mathbf j
3
i
+
3
j
d)
4
i
−
1
j
4\mathbf i - 1\mathbf j
4
i
−
1
j
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